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authorDominik Brodowski <linux@dominikbrodowski.net>2018-03-11 11:34:49 +0100
committerDominik Brodowski <linux@dominikbrodowski.net>2018-04-02 20:15:54 +0200
commit0101db7a301981a008296d522d8c1f456b0fe837 (patch)
tree5db6ec4578e8d5f97e9a2e00b3fbbf21e1204fa8 /drivers/mfd/adp5520.c
parentfs: add ksys_rmdir() wrapper; remove in-kernel calls to sys_rmdir() (diff)
downloadlinux-0101db7a301981a008296d522d8c1f456b0fe837.tar.xz
linux-0101db7a301981a008296d522d8c1f456b0fe837.zip
fs: add do_mkdirat() helper and ksys_mkdir() wrapper; remove in-kernel calls to syscall
Using the fs-internal do_mkdirat() helper allows us to get rid of fs-internal calls to the sys_mkdirat() syscall. Introducing the ksys_mkdir() wrapper allows us to avoid the in-kernel calls to the sys_mkdir() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_mkdir(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/mfd/adp5520.c')
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